Question

A tidal volume refers to the

a. maximum amount of air that can be forcefully inspired
b. amount of air inspired and then expired with each breath under resting conditions
c. the maximum amount of air that can be forcefully expired
d. the twice daily changes in breathing that are influenced by the moon's gravitational pull

Answer 1

Tidal volume is the amount of air that is inspired and expired during normal breathing.

Step-by-step explanation:

Tidal volume (TV) refers to the amount of air that is inspired and expired during normal breathing. It is the volume of air that enters the lungs during quiet breathing. Tidal volume is around 500 milliliters on average.